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FR2817995B1 - ACOUSTIC ABSORPTION COMPLEX - Google Patents

ACOUSTIC ABSORPTION COMPLEX

Info

Publication number
FR2817995B1
FR2817995B1 FR0016021A FR0016021A FR2817995B1 FR 2817995 B1 FR2817995 B1 FR 2817995B1 FR 0016021 A FR0016021 A FR 0016021A FR 0016021 A FR0016021 A FR 0016021A FR 2817995 B1 FR2817995 B1 FR 2817995B1
Authority
FR
France
Prior art keywords
acoustic absorption
absorption complex
complex
acoustic
absorption
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
FR0016021A
Other languages
French (fr)
Other versions
FR2817995A1 (en
Inventor
Sosthene Lullier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Centre dEtude et de Recherche pour lAutomobile CERA
Original Assignee
Centre dEtude et de Recherche pour lAutomobile CERA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Centre dEtude et de Recherche pour lAutomobile CERA filed Critical Centre dEtude et de Recherche pour lAutomobile CERA
Priority to FR0016021A priority Critical patent/FR2817995B1/en
Publication of FR2817995A1 publication Critical patent/FR2817995A1/en
Application granted granted Critical
Publication of FR2817995B1 publication Critical patent/FR2817995B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08Insulating elements, e.g. for sound insulation
    • B60R13/0861Insulating elements, e.g. for sound insulation for covering undersurfaces of vehicles, e.g. wheel houses
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10KSOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162Selection of materials
    • G10K11/168Plural layers of different materials, e.g. sandwiches

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
FR0016021A 2000-12-08 2000-12-08 ACOUSTIC ABSORPTION COMPLEX Expired - Fee Related FR2817995B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0016021A FR2817995B1 (en) 2000-12-08 2000-12-08 ACOUSTIC ABSORPTION COMPLEX

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0016021A FR2817995B1 (en) 2000-12-08 2000-12-08 ACOUSTIC ABSORPTION COMPLEX

Publications (2)

Publication Number Publication Date
FR2817995A1 FR2817995A1 (en) 2002-06-14
FR2817995B1 true FR2817995B1 (en) 2003-02-28

Family

ID=8857441

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0016021A Expired - Fee Related FR2817995B1 (en) 2000-12-08 2000-12-08 ACOUSTIC ABSORPTION COMPLEX

Country Status (1)

Country Link
FR (1) FR2817995B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2860468B1 (en) * 2003-10-02 2007-01-12 Cera DEFLECTOR UNDER BODY HAVING ACOUSTIC PROTECTION PROPERTIES
FR2896743B1 (en) * 2006-01-31 2008-07-25 Peugeot Citroen Automobiles Sa ACOUSTIC PROTECTIVE DEVICE FOR A MOTOR VEHICLE BODY
FR2923430B1 (en) * 2007-11-09 2009-12-25 Cera SYSTEM FOR MAINTAINING AN ELASTICALLY DEFORMABLE SCREEN OF ACOUSTIC PROTECTION
FR3101184B1 (en) * 2019-09-25 2023-01-27 Demguilhem Stephane ACOUSTIC ABSORPTION DEVICE

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE402142B (en) * 1976-06-03 1978-06-19 Becker Wilhelm Ab LAMINATED SOUND ABSORBENT
US4607466A (en) * 1984-05-29 1986-08-26 Allred John C Method and apparatus for controlling reverberation of sound in enclosed environments
CH681973A5 (en) * 1990-07-19 1993-06-30 Matec Holding

Also Published As

Publication number Publication date
FR2817995A1 (en) 2002-06-14

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100831